I'd be glad to inspect your Polk dollar, if you're game. -- Mike
I don't involve myself with minor die varieties. It would be better to contact James Wiles or BJ Neff or several other people I could name.
If it is a dropped letter then it's the first legitimate example I've seen on the edge of any dollar coin. But such an error is possible since...
It's hard to say, since the blemish is so small. As 19Lyds says, it's too small to be of any interest.
It's either machine doubling, die deterioration doubling, or a combination of the two. Machine doubling is the same thing as strike doubling,...
It's a combination of a broadstrike and a partial collar error. It could be called and incomplete partial collar error, since part of the coin's...
Although the raised line didn't appear to flex, the following observations are consistent with it being a blister: 1) there are shorter raised...
Yes, it's a struck-in rim burr. An unusually long one, to boot.
It's a "squeeze job". The quarter was compressed between a dime and a hard, flat surface, like a vise or a clamp.
Machine doubling on the ear and most probably a linear plating blister running through the date.
This layer of silvery metal was added after the coin left the Mint.
The corrosive liquid eats away at all parts of the coin, including the edge. So its diameter with shrink over time.
Blurred, thinned design elements, perfect centering, an abnormally small size, and a thin-to-vanishing rim are all characteristic of acid jobs....
This cent had rattled around in the fins of an industrial dryer for a long period of time. It's not a mint error.
It appears to have been immersed in acid or some other corrosive liquid. It's not an error.
The nickel was altered outside the Mint. Exactly how, I'm not sure. But its appearance is incompatible with any known error. I'm not sure...
I received the quarter and I'm afraid the news will come as an anti-climax. The serrated impression is incuse, not raised. So it's not a die...
"Collar" refers to the retaining ring that establishes the final diameter of a struck coin. In the case of this quarter, the collar was not fully...
Even better, it looks like a misaligned die clash.
It's a clash mark. Clash marks are incuse.
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